电化学阻抗谱测量与应用研究综述  

Review of measurement and application of electrochemical impedance spectroscopy

作　　者：吴磊 吕桃林[1,2] 陈启忠 刘咏晖[1,2] 解晶莹[1,2] WU Lei;LV Taolin;CHEN Qizhong;LIU Yonghui;XIE Jingying(Space Power Technology State Key Laboratory,Shanghai Institute of Space Power-Sources,Shanghai 200245,China;Shanghai Engineering Center of Power and Energy Storage Battery Systems,Shanghai 200245,China)

机构地区：[1]上海空间电源研究所空间电源技术国家重点实验室,上海200245 [2]上海动力与储能电池系统工程技术研究中心,上海200245

出　　处：《电源技术》2021年第9期1227-1230,共4页Chinese Journal of Power Sources

基　　金：国家重点研发计划资助项目(2018YFB090-5300,018YFB0905301);上海市科委项目(18DZ2284000,19DZ2290300)。

摘　　要：电化学阻抗谱(EIS)是一种广泛应用的锂离子电池无损表征方法,其表征的阻抗是确定电池工作边界、评估性能和跟踪功能状态的关键之一,它已被广泛应用于锂离子电池的研究,可用于电池筛选、运维以及性能评估等各环节。综述了基于电化学阻抗谱的荷电状态(SOC)和健康状态(SOH)估计的应用概况,并概述了电化学阻抗谱测量的频域和时域方法。总结了电化学阻抗谱在电池状态估计中的应用前景和挑战,展望了电化学阻抗谱应用的发展方向。Electrochemical impedance spectroscopy(EIS)is a widely used nondestructive characterization method for lithium-ion batteries.The characteristic impedance is one of the key elements to figure out the boundaries of battery,evaluate performance and track the states of battery during its lifespan.It has been widely applied in the researches of lithium-ion battery,which can serve for various links such as screening,operation and maintenance,and performance evaluation of battery.The application of SOC and SOH estimation based on electrochemical impedance spectroscopy was reviewed,and the frequency-domain and time-domain methods of electrochemical impedance spectroscopy measurements were summarized.The prospects and challenges of electrochemical impedance spectroscopy in the application of battery state estimation were also summarized.The prospects of development direction of electro-chemical impedance spectroscopy applications were discussed.

关 键 词：电化学阻抗谱 SOC SOH 时域 频域 

分 类 号：TM91[电气工程—电力电子与电力传动]